//#ifndef WORKERO_H_
//#define WORKERO_H_
//#include<string>
//
//class Worker
//{
//private:
//	std::string fullname;
//	long id;
//
//public:
//	Worker() :fullname("no one"), id(0L) {}
//	Worker(const std::string& s, long n)
//		: fullname(s), id(n) {}
//	virtual ~Worker() = 0;
//	virtual void Set();
//	virtual void Show() const;
//};
//
//class Waiter : public Worker
//{
//private:
//	int panache;
//
//public:
//	Waiter() :Worker(), panache(0) {}
//	Waiter(const std::string& s, long n, int p = 0)
//		: Worker(s, n), panache(p) {}
//	Waiter(const Worker& wk, int p = 0)
//		:Worker(wk), panache(p) {}
//	void Set();
//	void Show() const;
//};
//
//class Singer : public Worker
//{
//protected:
//	enum { other, alto, contralto, sprano, bass, baritone, tenor };
//	enum { Vtypes = 7 };
//
//private:
//	static char *pv[Vtypes];
//	int voice;
//
//public:
//	Singer() : Worker(), voice(other) {}
//	Singer(const std::string& s, long n, int v = other)
//		:Worker(s, n), voice(v) {}
//	Singer(const Worker& wk, int v = other)
//		:Worker(wk), voice(v) {}
//	void Set();
//	void Show() const;
//};
//
//#endif
// 